// Copyright (C) 2016 The V8 Project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-isnan-number
description: >
  Return false if number is not NaN
info: |
  isNaN (number)

  1. Let num be ? ToNumber(number).
  2. If num is NaN, return true.
  3. Otherwise, return false.
---*/

function Test() {
    assert.sameValue(isNaN(0), false, "0");
    assert.sameValue(isNaN(-0), false, "-0");
    assert.sameValue(isNaN(Math.pow(2, 53)), false, "Math.pow(2, 53)");
    assert.sameValue(isNaN(-Math.pow(2, 53)), false, "-Math.pow(2, 53)");
    assert.sameValue(isNaN(1), false, "1");
    assert.sameValue(isNaN(-1), false, "-1");
    assert.sameValue(isNaN(0.000001), false, "0.000001");
    assert.sameValue(isNaN(-0.000001), false, "-0.000001");
    assert.sameValue(isNaN(1e42), false, "1e42");
    assert.sameValue(isNaN(-1e42), false, "-1e42");
    assert.sameValue(isNaN(Infinity), false, "Infinity");
    assert.sameValue(isNaN(-Infinity), false, "-Infinity");
}

// preheat
const NUMBER_OF_PREHEAT = 1;
for (let i = 0; i < NUMBER_OF_PREHEAT; i++) {
    Test();
}

ArkTools.jitCompileAsync(Test);
assert.sameValue(ArkTools.waitJitCompileFinish(Test), true, '[JIT] JIT disabled.');

// test
const NUMBER_OF_TEST = 1; // or 2
for (let i = 0; i < NUMBER_OF_TEST; i++) {
    Test();
}
